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CP violating effects in 210Fr and prospects for new physics beyond the Standard Model
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CP violating effects in 210Fr and prospects for new physics beyond the Standard Model
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Journal Article
CP violating effects in 210Fr and prospects for new physics beyond the Standard Model
2021
Overview
A
bstract
We report theoretical results of the electric dipole moment (EDM) of
210
Fr which arises from the interaction of the EDM of an electron with the internal electric field in an atom and the scalar-pseudoscalar electron-nucleus interaction; the two dominant sources of CP violation in this atom. Employing the relativistic coupled-cluster theory, we evaluate the enhancement factors for these two CP violating interactions to an accuracy of about 3% and analyze the contributions of the many-body effects. These two quantities in combination with the projected sensitivity of the
210
Fr EDM experiment provide constraints on new physics beyond the Standard Model. Particularly, we demonstrate that their precise values are necessary to account for the effect of the bottom quark in models in which the Higgs sector is augmented by nonstandard Yukawa interactions such as the two-Higgs doublet model.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V,SpringerOpen
